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<a href="#signals">Signals</a> &#124;
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<p><a class="el" href="class_qwt_polar_picker.html" title="QwtPolarPicker provides selections on a plot canvas. ">QwtPolarPicker</a> provides selections on a plot canvas.  
 <a href="class_qwt_polar_picker.html#details">More...</a></p>

<p><code>#include &lt;<a class="el" href="qwt__polar__picker_8h_source.html">qwt_polar_picker.h</a>&gt;</code></p>
<div class="dynheader">
Inheritance diagram for QwtPolarPicker:</div>
<div class="dyncontent">
<div class="center"><img src="class_qwt_polar_picker__inherit__graph.png" border="0" usemap="#_qwt_polar_picker_inherit__map" alt="Inheritance graph"/></div>
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</map>
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<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="signals"></a>
Signals</h2></td></tr>
<tr class="memitem:a24f5e3c132954a6cfa1d7d8dd66dd5fe"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_picker.html#a24f5e3c132954a6cfa1d7d8dd66dd5fe">selected</a> (const QwtPointPolar &amp;pos)</td></tr>
<tr class="separator:a24f5e3c132954a6cfa1d7d8dd66dd5fe"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aff83cb76c75ce31607291e84254c67a8"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_picker.html#aff83cb76c75ce31607291e84254c67a8">selected</a> (const QVector&lt; QwtPointPolar &gt; &amp;points)</td></tr>
<tr class="separator:aff83cb76c75ce31607291e84254c67a8"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:acd5e12d2e87daea46199a54972e5733f"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_picker.html#acd5e12d2e87daea46199a54972e5733f">appended</a> (const QwtPointPolar &amp;pos)</td></tr>
<tr class="separator:acd5e12d2e87daea46199a54972e5733f"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a576017f80c82efb879f23346425428c0"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_picker.html#a576017f80c82efb879f23346425428c0">moved</a> (const QwtPointPolar &amp;pos)</td></tr>
<tr class="separator:a576017f80c82efb879f23346425428c0"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:afba4aa9c224977ec360f11ac6dfd8ab7"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_picker.html#afba4aa9c224977ec360f11ac6dfd8ab7">QwtPolarPicker</a> (<a class="el" href="class_qwt_polar_canvas.html">QwtPolarCanvas</a> *)</td></tr>
<tr class="memdesc:afba4aa9c224977ec360f11ac6dfd8ab7"><td class="mdescLeft">&#160;</td><td class="mdescRight">Create a polar plot picker.  <a href="#afba4aa9c224977ec360f11ac6dfd8ab7">More...</a><br/></td></tr>
<tr class="separator:afba4aa9c224977ec360f11ac6dfd8ab7"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a443aa15d588e545e0c521d4fe659dfcf"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a443aa15d588e545e0c521d4fe659dfcf"></a>
virtual&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_picker.html#a443aa15d588e545e0c521d4fe659dfcf">~QwtPolarPicker</a> ()</td></tr>
<tr class="memdesc:a443aa15d588e545e0c521d4fe659dfcf"><td class="mdescLeft">&#160;</td><td class="mdescRight">Destructor. <br/></td></tr>
<tr class="separator:a443aa15d588e545e0c521d4fe659dfcf"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:afd8e121e96b3e07e1bea355d684cc810"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_picker.html#afd8e121e96b3e07e1bea355d684cc810">QwtPolarPicker</a> (RubberBand rubberBand, DisplayMode trackerMode, <a class="el" href="class_qwt_polar_canvas.html">QwtPolarCanvas</a> *)</td></tr>
<tr class="separator:afd8e121e96b3e07e1bea355d684cc810"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a81d6982eee8985d66a243b8225480fbc"><td class="memItemLeft" align="right" valign="top"><a class="el" href="class_qwt_polar_plot.html">QwtPolarPlot</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_picker.html#a81d6982eee8985d66a243b8225480fbc">plot</a> ()</td></tr>
<tr class="separator:a81d6982eee8985d66a243b8225480fbc"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aa168e0a001ffcab5a5623263e1522d9d"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="class_qwt_polar_plot.html">QwtPolarPlot</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_picker.html#aa168e0a001ffcab5a5623263e1522d9d">plot</a> () const </td></tr>
<tr class="separator:aa168e0a001ffcab5a5623263e1522d9d"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a90fbfa9b908fa96f95e5b97b34c98673"><td class="memItemLeft" align="right" valign="top"><a class="el" href="class_qwt_polar_canvas.html">QwtPolarCanvas</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_picker.html#a90fbfa9b908fa96f95e5b97b34c98673">canvas</a> ()</td></tr>
<tr class="separator:a90fbfa9b908fa96f95e5b97b34c98673"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a0469869b0fc161d3595f4323a4777251"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="class_qwt_polar_canvas.html">QwtPolarCanvas</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_picker.html#a0469869b0fc161d3595f4323a4777251">canvas</a> () const </td></tr>
<tr class="separator:a0469869b0fc161d3595f4323a4777251"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a869fb18bb0bd520d24655d4c160972a0"><td class="memItemLeft" align="right" valign="top">virtual QRect&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_picker.html#a869fb18bb0bd520d24655d4c160972a0">pickRect</a> () const </td></tr>
<tr class="separator:a869fb18bb0bd520d24655d4c160972a0"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pro-methods"></a>
Protected Member Functions</h2></td></tr>
<tr class="memitem:a913082d3de9c35fc50e754c088b6287a"><td class="memItemLeft" align="right" valign="top">QwtPointPolar&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_picker.html#a913082d3de9c35fc50e754c088b6287a">invTransform</a> (const QPoint &amp;) const </td></tr>
<tr class="separator:a913082d3de9c35fc50e754c088b6287a"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ab4c1102a0532cf41533681550df50726"><td class="memItemLeft" align="right" valign="top">virtual QwtText&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_picker.html#ab4c1102a0532cf41533681550df50726">trackerText</a> (const QPoint &amp;) const </td></tr>
<tr class="separator:ab4c1102a0532cf41533681550df50726"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:adfeb812be2103de5637af03a9a5677a9"><td class="memItemLeft" align="right" valign="top">virtual QwtText&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_picker.html#adfeb812be2103de5637af03a9a5677a9">trackerTextPolar</a> (const QwtPointPolar &amp;) const </td></tr>
<tr class="memdesc:adfeb812be2103de5637af03a9a5677a9"><td class="mdescLeft">&#160;</td><td class="mdescRight">Translate a position into a position string.  <a href="#adfeb812be2103de5637af03a9a5677a9">More...</a><br/></td></tr>
<tr class="separator:adfeb812be2103de5637af03a9a5677a9"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a6fdfe51cac45376f47043dc70f72425b"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_picker.html#a6fdfe51cac45376f47043dc70f72425b">move</a> (const QPoint &amp;)</td></tr>
<tr class="separator:a6fdfe51cac45376f47043dc70f72425b"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a7a50b35af9bd4d86375d062e46aa024c"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_picker.html#a7a50b35af9bd4d86375d062e46aa024c">append</a> (const QPoint &amp;)</td></tr>
<tr class="separator:a7a50b35af9bd4d86375d062e46aa024c"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aaea1c66152094bb589de80a2904e7314"><td class="memItemLeft" align="right" valign="top">virtual bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_picker.html#aaea1c66152094bb589de80a2904e7314">end</a> (bool ok=true)</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p><a class="el" href="class_qwt_polar_picker.html" title="QwtPolarPicker provides selections on a plot canvas. ">QwtPolarPicker</a> provides selections on a plot canvas. </p>
<p><a class="el" href="class_qwt_polar_picker.html" title="QwtPolarPicker provides selections on a plot canvas. ">QwtPolarPicker</a> is a QwtPicker tailored for selections on a polar plot canvas. </p>
</div><h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
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          <td class="memname">QwtPolarPicker::QwtPolarPicker </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="class_qwt_polar_canvas.html">QwtPolarCanvas</a> *&#160;</td>
          <td class="paramname"><em>canvas</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
  </td>
  <td class="mlabels-right">
<span class="mlabels"><span class="mlabel">explicit</span></span>  </td>
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<p>Create a polar plot picker. </p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">canvas</td><td>Plot canvas to observe, also the parent object </td></tr>
  </table>
  </dd>
</dl>

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          <td class="memname">QwtPolarPicker::QwtPolarPicker </td>
          <td>(</td>
          <td class="paramtype">RubberBand&#160;</td>
          <td class="paramname"><em>rubberBand</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">DisplayMode&#160;</td>
          <td class="paramname"><em>trackerMode</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="class_qwt_polar_canvas.html">QwtPolarCanvas</a> *&#160;</td>
          <td class="paramname"><em>canvas</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
  </td>
  <td class="mlabels-right">
<span class="mlabels"><span class="mlabel">explicit</span></span>  </td>
  </tr>
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<p>Create a plot picker</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">rubberBand</td><td>Rubberband style </td></tr>
    <tr><td class="paramname">trackerMode</td><td>Tracker mode </td></tr>
    <tr><td class="paramname">canvas</td><td>Plot canvas to observe, also the parent object</td></tr>
  </table>
  </dd>
</dl>
<dl class="section see"><dt>See Also</dt><dd>QwtPicker, QwtPicker::setSelectionFlags(), QwtPicker::setRubberBand(), QwtPicker::setTrackerMode</dd>
<dd>
<a class="el" href="class_qwt_polar_plot.html#acc2a2ff1597c961bdb9a44a494243282">QwtPolarPlot::autoReplot()</a>, <a class="el" href="class_qwt_polar_plot.html#a85e55f95073ed7370e601634990ac888" title="Redraw the plot. ">QwtPolarPlot::replot()</a>, scaleRect() </dd></dl>

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</div>
<h2 class="groupheader">Member Function Documentation</h2>
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          <td class="memname">void QwtPolarPicker::append </td>
          <td>(</td>
          <td class="paramtype">const QPoint &amp;&#160;</td>
          <td class="paramname"><em>pos</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
  </td>
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<p>Append a point to the selection and update rubberband and tracker.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">pos</td><td>Additional point </td></tr>
  </table>
  </dd>
</dl>
<dl class="section see"><dt>See Also</dt><dd>isActive, begin(), <a class="el" href="class_qwt_polar_picker.html#aaea1c66152094bb589de80a2904e7314">end()</a>, <a class="el" href="class_qwt_polar_picker.html#a6fdfe51cac45376f47043dc70f72425b">move()</a>, <a class="el" href="class_qwt_polar_picker.html#acd5e12d2e87daea46199a54972e5733f">appended()</a></dd></dl>
<dl class="section note"><dt>Note</dt><dd>The appended(const QPoint &amp;), appended(const QDoublePoint &amp;) signals are emitted. </dd></dl>

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          <td class="memname">void QwtPolarPicker::appended </td>
          <td>(</td>
          <td class="paramtype">const QwtPointPolar &amp;&#160;</td>
          <td class="paramname"><em>pos</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
  </td>
  <td class="mlabels-right">
<span class="mlabels"><span class="mlabel">signal</span></span>  </td>
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<p>A signal emitted when a point has been appended to the selection</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">pos</td><td>Position of the appended point. </td></tr>
  </table>
  </dd>
</dl>
<dl class="section see"><dt>See Also</dt><dd><a class="el" href="class_qwt_polar_picker.html#a7a50b35af9bd4d86375d062e46aa024c">append()</a>. <a class="el" href="class_qwt_polar_picker.html#a576017f80c82efb879f23346425428c0">moved()</a> </dd></dl>

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          <td class="memname"><a class="el" href="class_qwt_polar_canvas.html">QwtPolarCanvas</a> * QwtPolarPicker::canvas </td>
          <td>(</td>
          <td class="paramname"></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div><div class="memdoc">
<dl class="section return"><dt>Returns</dt><dd>Observed plot canvas </dd></dl>

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          <td class="memname">const <a class="el" href="class_qwt_polar_canvas.html">QwtPolarCanvas</a> * QwtPolarPicker::canvas </td>
          <td>(</td>
          <td class="paramname"></td><td>)</td>
          <td> const</td>
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<dl class="section return"><dt>Returns</dt><dd>Observed plot canvas </dd></dl>

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          <td class="memname">bool QwtPolarPicker::end </td>
          <td>(</td>
          <td class="paramtype">bool&#160;</td>
          <td class="paramname"><em>ok</em> = <code>true</code></td><td>)</td>
          <td></td>
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<p>Close a selection setting the state to inactive.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">ok</td><td>If true, complete the selection and emit selected signals otherwise discard the selection. </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>true if the selection is accepted, false otherwise </dd></dl>

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          <td>(</td>
          <td class="paramtype">const QPoint &amp;&#160;</td>
          <td class="paramname"><em>pos</em></td><td>)</td>
          <td> const</td>
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<p>Translate a point from widget into plot coordinates</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">pos</td><td>Point in widget coordinates of the plot canvas </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>Point in plot coordinates </dd></dl>
<dl class="section see"><dt>See Also</dt><dd>transform(), <a class="el" href="class_qwt_polar_picker.html#a90fbfa9b908fa96f95e5b97b34c98673">canvas()</a> </dd></dl>

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          <td class="memname">void QwtPolarPicker::move </td>
          <td>(</td>
          <td class="paramtype">const QPoint &amp;&#160;</td>
          <td class="paramname"><em>pos</em></td><td>)</td>
          <td></td>
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<p>Move the last point of the selection</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">pos</td><td>New position </td></tr>
  </table>
  </dd>
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<dl class="section see"><dt>See Also</dt><dd>isActive, begin(), <a class="el" href="class_qwt_polar_picker.html#aaea1c66152094bb589de80a2904e7314">end()</a>, <a class="el" href="class_qwt_polar_picker.html#a7a50b35af9bd4d86375d062e46aa024c">append()</a></dd></dl>
<dl class="section note"><dt>Note</dt><dd>The moved(const QPoint &amp;), moved(const QDoublePoint &amp;) signals are emitted. </dd></dl>

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          <td class="memname">void QwtPolarPicker::moved </td>
          <td>(</td>
          <td class="paramtype">const QwtPointPolar &amp;&#160;</td>
          <td class="paramname"><em>pos</em></td><td>)</td>
          <td></td>
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<p>A signal emitted whenever the last appended point of the selection has been moved.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">pos</td><td>Position of the moved last point of the selection. </td></tr>
  </table>
  </dd>
</dl>
<dl class="section see"><dt>See Also</dt><dd><a class="el" href="class_qwt_polar_picker.html#a6fdfe51cac45376f47043dc70f72425b">move()</a>, <a class="el" href="class_qwt_polar_picker.html#acd5e12d2e87daea46199a54972e5733f">appended()</a> </dd></dl>

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          <td>(</td>
          <td class="paramname"></td><td>)</td>
          <td> const</td>
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<dl class="section return"><dt>Returns</dt><dd>Bounding rectangle of the region, where picking is supported. </dd></dl>

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          <td class="memname"><a class="el" href="class_qwt_polar_plot.html">QwtPolarPlot</a> * QwtPolarPicker::plot </td>
          <td>(</td>
          <td class="paramname"></td><td>)</td>
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<dl class="section return"><dt>Returns</dt><dd>Plot widget, containing the observed plot canvas </dd></dl>

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          <td>(</td>
          <td class="paramname"></td><td>)</td>
          <td> const</td>
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<dl class="section return"><dt>Returns</dt><dd>Plot widget, containing the observed plot canvas </dd></dl>

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          <td class="memname">void QwtPolarPicker::selected </td>
          <td>(</td>
          <td class="paramtype">const QwtPointPolar &amp;&#160;</td>
          <td class="paramname"><em>pos</em></td><td>)</td>
          <td></td>
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<p>A signal emitted in case of selectionFlags() &amp; PointSelection. </p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">pos</td><td>Selected point </td></tr>
  </table>
  </dd>
</dl>

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          <td>(</td>
          <td class="paramtype">const QVector&lt; QwtPointPolar &gt; &amp;&#160;</td>
          <td class="paramname"><em>points</em></td><td>)</td>
          <td></td>
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<p>A signal emitting the selected points, at the end of a selection.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">points</td><td>Selected points </td></tr>
  </table>
  </dd>
</dl>

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          <td>(</td>
          <td class="paramtype">const QPoint &amp;&#160;</td>
          <td class="paramname"><em>pos</em></td><td>)</td>
          <td> const</td>
        </tr>
      </table>
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<p>Translate a pixel position into a position string</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">pos</td><td>Position in pixel coordinates </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>Position string </dd></dl>

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          <td>(</td>
          <td class="paramtype">const QwtPointPolar &amp;&#160;</td>
          <td class="paramname"><em>pos</em></td><td>)</td>
          <td> const</td>
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<p>Translate a position into a position string. </p>
<p>In case of HLineRubberBand the label is the value of the y position, in case of VLineRubberBand the value of the x position. Otherwise the label contains x and y position separated by a ',' .</p>
<p>The format for the double to string conversion is "%.4f".</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">pos</td><td>Position </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>Position string </dd></dl>

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